EP 0103387 A3 19841212 - LONG-ACTING MATRIX TABLET FORMULATIONS
Title (en)
LONG-ACTING MATRIX TABLET FORMULATIONS
Publication
Application
Priority
US 40751182 A 19820812
Abstract (en)
[origin: EP0103387A2] A pharmaceutical tablet which releases an initial burst of therapeutic agent and thereafter releases the agent at an essentially constant rate comprising an acid soluble therapeutic agent in an insoluble matrix, the tablet containing an acid insoluble, base soluble pharmaceutically acceptable component selected from polymers and fatty acids, a pharmaceutically acceptable organic acid and at least one pharmaceutically acceptable excipient, the component and the acid each being present in an amount of from about 1-25 percent by weight of the total composition.
IPC 1-7
IPC 8 full level
A61K 9/20 (2006.01); A61K 9/22 (2006.01); A61K 9/26 (2006.01)
CPC (source: EP KR US)
A61K 9/20 (2013.01 - KR); A61K 9/2004 (2013.01 - EP US); A61K 9/2077 (2013.01 - EP US)
Citation (search report)
- [X] US 3608063 A 19710921 - BANKER GILBERT S
- [Y] DE 3000979 A1 19810723 - THOMAE GMBH DR K [DE]
- [Y] FR 2460667 A1 19810130 - YAMANOUCHI PHARMA CO LTD [JP]
- [A] US 3577514 A 19710504 - ROBINSON IRA C
- [AD] US 2987445 A 19610606 - LEVESQUE CHARLES L
- [A] US 3769286 A 19731030 - HESS H
- [AD] US 3322633 A 19670530 - SIMOONS JOHAN R A
- [A] GB 2053682 A 19810211 - AMERICAN HOME PROD
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0103387 A2 19840321; EP 0103387 A3 19841212; AU 1788683 A 19840216; AU 546249 B2 19850822; CA 1214391 A 19861125; DK 365883 A 19840213; DK 365883 D0 19830811; EG 16065 A 19861230; ES 524892 A0 19850101; ES 8502333 A1 19850101; FI 82186 B 19901031; FI 82186 C 19910211; FI 832895 A0 19830811; FI 832895 A 19840213; GR 78921 B 19841002; GT 198303076 A 19850130; JP S5948415 A 19840319; KR 840005661 A 19841115; KR 860000840 B1 19860709; NO 169818 B 19920504; NO 169818 C 19920812; NO 832883 L 19840213; NZ 205205 A 19860611; PH 18211 A 19850430; PT 77185 A 19830901; PT 77185 B 19860711; US 4704284 A 19871103; ZA 835900 B 19850327
DOCDB simple family (application)
EP 83304478 A 19830803; AU 1788683 A 19830811; CA 434335 A 19830810; DK 365883 A 19830811; EG 49183 A 19830810; ES 524892 A 19830811; FI 832895 A 19830811; GR 830172161 A 19830808; GT 198303076 A 19830809; JP 14629383 A 19830810; KR 830003736 A 19830810; NO 832883 A 19830811; NZ 20520583 A 19830810; PH 29379 A 19830810; PT 7718583 A 19830811; US 40751182 A 19820812; ZA 835900 A 19830811